20249816

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{163}}^1\times {\mathrm{293}}^1$

素因数の和:515

約数の個数: 32

約数和(自身を含む): 39054960

約数和(自身を除く): 18805144

約数列:

[1, 2, 4, 8, 53, 106, 163, 212, 293, 326, 424, 586, 652, 1172, 1304, 2344, 8639, 15529, 17278, 31058, 34556, 47759, 62116, 69112, 95518, 124232, 191036, 382072, 2531227, 5062454, 10124908, 20249816]

約数ペア:

[(1, 20249816), (2, 10124908), (4, 5062454), (8, 2531227), (53, 382072), (106, 191036), (163, 124232), (212, 95518), (293, 69112), (326, 62116), (424, 47759), (586, 34556), (652, 31058), (1172, 17278), (1304, 15529), (2344, 8639)]